This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 7 Control And Coordination – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 7 Control And Coordination Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Auxins are responsible for ..... of a plant A) Colour change. B) Watering. C) Phototropism. D) Growth. Show Answer Correct Answer: D) Growth. 2. What is the alternative means of communication used by multicellular organisms? A) Electromagnetic communication. B) Mechanical communication. C) Chemical communication. D) Visual communication. Show Answer Correct Answer: C) Chemical communication. 3. What is the important part of the mind thinking A) The next mind. B) Previous mind. C) Nly-brain. D) Nakhi. Show Answer Correct Answer: A) The next mind. 4. The thalamus and hypothalamus are located in the A) Cerebrum. B) Cerebellum. C) Deenalon. D) Marrow oblongata. Show Answer Correct Answer: C) Deenalon. 5. Growth of Tendrils and Closing of Trap OrganExample growth, food collection of food collection in the Dropera plant ..... an example of the app. A) Chemo chemical. B) Thigmo touch. C) Hydro water. D) None is nothing. Show Answer Correct Answer: B) Thigmo touch. 6. Structure and functional unit of nervous system is ..... A) Axon. B) Cyton. C) Neuron. D) Nephron. Show Answer Correct Answer: C) Neuron. 7. Which is not a reflex action A) Swallowing. B) Coughing. C) Knee jerk. D) Closing of eyes on flashing light. Show Answer Correct Answer: A) Swallowing. 8. Which plant hormone produces opposite effects? A) Dormancy and cotyledons. B) Dormancy and germination. C) Auxin and cytokins. D) Auxins and ethylene. Show Answer Correct Answer: C) Auxin and cytokins. 9. Which of the following is a function of the hypothalamus? A) Regulating body temperature. B) Controlling voluntary muscle movements. C) Processing auditory information. D) Storing long-term memories. Show Answer Correct Answer: A) Regulating body temperature. 10. One of the "newer" and more advanced areas of the brain. A) Pons. B) Medulla. C) Hippocampus. D) Cerebral cortex. Show Answer Correct Answer: D) Cerebral cortex. 11. Aiman is basking under sunlight. Which of the following is the corrective mechanism faced by Aiman? A) Skeletal muscles contract and relax actively. B) Hairs stand erect. C) Blood vessels dilate. D) Decrease sweating. Show Answer Correct Answer: C) Blood vessels dilate. 12. Smooth muscles, cardiac muscle and organs are regulated by A) Central nervous system. B) Autonomous nervous system. C) Peripheral nervous system. D) Somatic nervous system. Show Answer Correct Answer: B) Autonomous nervous system. 13. Which part of the brain stores memories of past happenings? A) Cerebellum. B) Cerebrum. C) Marrow oblongata. D) Hypothalamus. Show Answer Correct Answer: B) Cerebrum. 14. How does the body respond to low levels of glucose in the blood? A) The pancreas releases insulin which raises levels of glucose in the blood. B) The pancreas releases glucagon which stimulates the release of glucose from liver and muscle cells. C) The pituitary gland stimulates the pancreas and insulin is released. D) Liver and muscle cells remove glucose from the blood. Show Answer Correct Answer: B) The pancreas releases glucagon which stimulates the release of glucose from liver and muscle cells. 15. What happens when you place an over ripe banana in a fruit bowl with other fruit? A) Nothing will happen. B) The other fruit will grow in size. C) Ethylene gas will cause the fruit to grow mold. D) Ethylene gas will cause the other fruit to ripen. Show Answer Correct Answer: D) Ethylene gas will cause the other fruit to ripen. 16. Hormones released in plants are known ..... the hormone released in plants ..... A) Myco harmones myco hormones. B) Phyto harmones phyto hormones. C) Zoo harmones zoo hormones. D) None of the Above. Show Answer Correct Answer: B) Phyto harmones phyto hormones. 17. Which hormone promotes seed germination? A) Abscisic acid. B) Ethylene. C) Gibberellin. D) Auxin. Show Answer Correct Answer: C) Gibberellin. 18. Most highly developed part of human brain is A) Pons. B) Medulla. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: C) Cerebrum. 19. What are the different types of tropic movements in plants? A) Phototropism, gravitropism, hydrotropism. B) Hydrotropism, chemotropism, gravitropism. C) Chemotropism, gravitropism, hydrotropism. D) Phototropism, geotropism, chemotropism. Show Answer Correct Answer: A) Phototropism, gravitropism, hydrotropism. 20. Which plant movement is dependent on growth? A) Folding of leaves in touch-me-not. B) Movement of sunflower towards light. C) Drooping of leaves. D) Climbing of tendrils. Show Answer Correct Answer: D) Climbing of tendrils. 21. The reaction of the effector is called A) Response. B) Stimulus. C) Sensor. D) Set point. Show Answer Correct Answer: A) Response. 22. Which hormone inhibits the growth in pants? A) Auxin. B) Gibberellin. C) Abscisic acid. D) Cytokinin. Show Answer Correct Answer: C) Abscisic acid. 23. Which part of the brain controls involuntary actions like heartbeat and breathing? A) Cerebellum. B) Medulla. C) Cerebrum. D) Spinal cord. Show Answer Correct Answer: B) Medulla. 24. Which of the following is not a hormone? A) INSULIN. B) GLUCOSE. C) THYROXINE. D) ADRENALINE. Show Answer Correct Answer: B) GLUCOSE. 25. Part of the brain that controls respiration, heart beat and peristalsis is A) Cerebrum. B) Cerebellum. C) Hypothalamus. D) Medulla. Show Answer Correct Answer: D) Medulla. ← PreviousNext →Related QuizzesClass 10 Science Chapter 7 Control And Coordination Quiz 1Class 10 Science Chapter 7 Control And Coordination Quiz 2Class 10 Science Chapter 7 Control And Coordination Quiz 3Class 10 Science Chapter 7 Control And Coordination Quiz 4Class 10 Science Chapter 7 Control And Coordination Quiz 5Class 10 Science Chapter 7 Control And Coordination Quiz 6Class 10 Science Chapter 7 Control And Coordination Quiz 7Class 10 Science Chapter 7 Control And Coordination Quiz 8Class 10 Science Chapter 7 Control And Coordination Quiz 10Class 10 Science Chapter 7 Control And Coordination Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books